A Guide to the Transmission Filter Kit for the 2008-2019 Fleetwood Pulse
Understanding the transmission filter kit for your Fleetwood Pulse is key to keeping it on the road and shifting smoothly.
- Your Fleetwood Pulse is built on a Mercedes-Benz Sprinter chassis and most likely has a 5-speed 722.6 (NAG1) transmission.
- Use only transmission fluid that meets the MB 236.14 specification to avoid damage.
- While changing the filter, inspect the transmission's electrical connector (pilot bushing) for leaks—a common and critical issue.
- Quality aftermarket kits from brands like Premium Guard offer a reliable and cost-effective alternative to OEM parts.
Is Your Pulse's Transmission Acting Up?
The automatic transmission in your Fleetwood Pulse is a durable unit, but it requires regular maintenance to ensure a long life. If the transmission filter becomes clogged, it can restrict fluid flow, leading to noticeable problems. Symptoms of a dirty or clogged filter include harsh shifting, a delay when shifting into Drive or Reverse, and a general feeling of sluggishness. You might also notice a burning smell from the fluid, which can indicate it's overheating due to poor flow. A leaking pan gasket, included in the kit, can cause fluid loss, leading to its own set of serious issues.
A Critical Detail: Know Your Transmission
Before ordering a kit, it's important to know that most 2008-2019 Fleetwood Pulse models use the 5-speed Mercedes-Benz 722.6 transmission, also known as the NAG1. However, some very late models in this range (around 2019) may have been built on a newer Sprinter chassis with a 7-speed transmission. Always verify your specific transmission to ensure you purchase the correct kit and, most importantly, the correct fluid.
Choosing the Right Aftermarket Part
While you can always get a transmission filter kit from a Mercedes-Benz dealer, high-quality aftermarket options offer comparable performance at a more accessible price. For a part like a filter and gasket, the brand can make a difference in fit and material quality.
- OEM-Equivalent Brands: Some brands manufacture the original parts for Mercedes-Benz. Buying from them is like getting the OEM part without the dealer markup.
- Quality Aftermarket (Premium Guard): Brands like Premium Guard specialize in filtration and are known for producing reliable parts that meet or exceed OEM specifications. They provide a strong balance of quality and value, making them a popular choice for owners and repair shops. Reviews for Premium Guard filters are generally positive, citing good build quality for the price.
- Budget-Friendly: While budget options exist, the transmission in your Pulse is a high-value component. Using a quality, recognized aftermarket brand like Premium Guard is a wise investment to ensure proper fitment and reliable filtration.
Pro Tip: Check the Pilot Bushing
A very common issue on these Mercedes 722.6 transmissions is a leak from the electrical connector, often called the pilot bushing. Fluid can wick up the wiring harness and damage the transmission control module. Since you will be under the vehicle with the transmission pan off, it is the perfect time to inspect this connector for any signs of fluid leakage and replace it if necessary. It is an inexpensive part that can prevent a very costly repair down the road.
Cost to Replace Your Transmission Filter Kit
| Part Type | Estimated Cost |
|---|---|
| New OEM (Mercedes-Benz) | $60 - $100 |
| New Aftermarket (e.g., Premium Guard) | $34 - $55 |
| Shop Labor | $140 - $210 |
Frequently Asked Questions
How often should I change the transmission filter?
For a heavy vehicle like a Fleetwood Pulse, it is recommended to change the transmission fluid and filter every 40,000 to 60,000 miles. If you frequently travel in mountains or tow, sticking to the 40,000-mile interval is a good practice to ensure transmission longevity.
What kind of transmission fluid should I use?
This is critical. For the 5-speed 722.6/NAG1 transmission, you must use a fluid that meets the MB 236.14 (also called ATF 134) specification. Using the wrong fluid can cause shifting problems and internal damage. Do not use a generic "universal" ATF.
Can I change the transmission filter myself?
Yes, this is a job that a home mechanic with some experience can perform. It can be messy, and you will need tools like a torque wrench and a set of Torx bits. The most challenging part is refilling the fluid to the correct level, as these transmissions do not have a traditional dipstick and require a special tool to check the level at a specific temperature.
Does the kit include a new drain plug and magnet?
Most kits include the filter and pan gasket. The drain plug washer is often included, but the drain plug itself may not be. The magnet inside the pan is typically cleaned and reused. It's important to clean the magnet thoroughly to remove all the fine metal particles it has collected.
Technical Specifications
OEM Part Numbers: 1402770095
Fits Mercedes-Benz 722.6 (NAG1 / W5A580) 5-Speed Automatic Transmission. Requires MB 236.14 specification fluid.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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